> I´m developing a corona discarge generator for plastic film treatment and i´m > using a circuit that is quite similar to a SSTC <snip> > I need to implement an over current protection on the primary to portect the > bridge. > > Some tesla coilers use a current transformer but i can´t find a comparator or > an appropriate circuit to manage the signal of the CT I had a similar problem while junk-box designing a high voltage power supply for my old Heath HA-10 Warrior amplifier. I made a CT from a small ferrite core and connected it to the controller IC. The result was very good. Links here: http://w5JGV.com/hv-ps/index.htm http://W5JGV.com/hv-ps-up1/index.htm http://W5JGV.com/hv-ps1/index.htm Ralph W5JGV - WD2XSH/7 _______________________________________________ Tesla mailing list Tesla@xxxxxxxxxx http://www.pupman.com/mailman/listinfo/tesla